The week's best photos

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India's PSLV C-19 lifts off carrying India's first indigenous radar imaging satellite RISAT-1 at the Satish Dhawan Space Centre in Sriharikota, India, Thursday, April 26, 2012. Images from the 1,858 kg RISAT-1, the country's first microwave remote sensing satellite, has the capability to take images of the earth during day and night as well as in cloudy conditions and will facilitate agriculture and disaster management, according to a news agency. (AP Photo/Arun Sankar K.)